Finding the Fourth Proportional to 3,423,317.12, 5,135,034 and 1,294,403.84
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Solution
The fourth proportional to 3,423,317.12, 5,135,034 and 1,294,403.84 is: 1,941,627.81
Step by Step Solution
- Step 1: Write the proportion equation
3,423,317.12 : 5,135,034 = 1,294,403.84 : x - Step 2: Convert to fraction form
3,423,317.12/5,135,034 = 1,294,403.84/x - Step 3: Cross multiply
3,423,317.12x = 5,135,034 × 1,294,403.84 - Step 4: Simplify right side
3,423,317.12x = 6,646,807,728,130.56 - Step 5: Solve for x
x = 6,646,807,728,130.56/3,423,317.12 - Step 6: Final answer
x = 1,941,627.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.